Needle punching mechanism
Technical Field
The invention relates to connector processing equipment, in particular to a pin punching mechanism on a pin inserting machine for processing a connector.
Background
When the pin machine carries out the needle die-cut, can produce the waste material area, for avoiding the too much operation that influences the pin machine of piling up in the pin machine in the waste material area, operating personnel all rolls up the waste material area when collecting the waste material to remove the waste material area after the charging tray exhausts. Thus, before the tray is used up, the waste tape is temporarily stored in the pin inserting machine, the equipment space is wasted, and the operation of the pin inserting machine is influenced when the waste tape is excessively accumulated.
Disclosure of Invention
In order to save equipment space and avoid waste material belts from accumulating in a pin inserting machine, the invention provides a pin punching mechanism which comprises a driving cylinder, a punching transmission rod, a pin punching head, a connecting and positioning device and a waste material cutter, wherein the connecting and positioning device comprises a connecting plate and a positioning plate, the connecting plate and the positioning plate are vertically connected to form an L-shaped structure, the connecting plate is sleeved on the driving rod of the driving cylinder and fixedly connected with a cylinder body of the driving cylinder, a positioning through groove is arranged on the positioning plate, and the extending direction of the positioning through groove is parallel to the axis of the driving rod of the driving cylinder; the needle punching head is connected with the driving rod of the driving cylinder through a punching transmission rod, and the punching transmission rod penetrates through the positioning through groove and is movably connected with the positioning plate through a positioning pin shaft; the waste material cutter is positioned at the discharge end of the needle punching seat and is connected with the driving rod of the driving cylinder through a cutter driving rod; when the driving rod extends outwards in the working process of the needle punching mechanism, the needle punching head is driven by the punching transmission rod to lift from the needle punching seat, and the waste material cutter is driven by the cutter transmission rod to press downwards to cut off a waste material belt extending out of the discharge end of the needle punching seat; when the driving rod retracts inwards, the needle punching head is driven by the punching transmission rod to press the needle punching seat to perform punching operation, and the waste material cutter is driven by the cutter transmission rod to lift up to prepare for cutting off the waste material belt next time. When the pin inserting machine adopts the pin punching mechanism to perform pin punching operation, the waste material cutter cuts off the waste material belt extending out of the discharge end of the pin punching seat when the pin punching head is lifted from the pin punching seat, so that the waste material formed by cutting off the waste material belt falls into the waste material box, the waste material belt can be prevented from being accumulated in the pin inserting machine, particularly at the discharge end of the pin punching seat, the equipment space of the pin inserting machine is saved, and the pin inserting machine is prevented from being unsmooth in operation due to excessive accumulation of the waste material belt.
Preferably, a punching head positioning plate is arranged on the positioning plate, the punching head positioning plate is positioned between the positioning through groove and the needle punching seat, and a positioning guide hole for mounting the needle punching head is arranged on the punching head positioning plate. Therefore, the needle punching head can be prevented from shaking or swinging in the needle punching process to cause punching dislocation, so that the needle punching precision can be improved. Furthermore, the punching head positioning plate is in a shape like a Chinese character 'tu', and mounting through holes are formed in two side shoulders of the punching head positioning plate. Therefore, the material can be saved, the punching head positioning plate is convenient to mount and fix on the positioning plate, and the punching head positioning plate can be prevented from influencing the mounting and movement of other parts.
Preferably, the positioning plate is provided with a mounting transverse groove for mounting the die-cutting head positioning plate, and the mounting transverse groove is perpendicular to the positioning through groove, so that the die-cutting head positioning plate is mounted and fixed on the positioning plate.
Preferably, the extension end of the driving rod of the cutter transmission rod is movably connected with the driving rod through a pin shaft, and the middle part of the driving rod of the punching transmission rod is movably connected with the driving rod through a pin shaft.
Preferably, the waste material cutter is a rotary cutter, and a cutter handle of the rotary cutter is vertically and fixedly connected with the cutter transmission rod.
Preferably, be provided with the cutter locating piece on the locating plate, and be provided with the installation on this cutter locating piece the cutter locating hole that rotary cutter used, like this, usable cutter locating hole is fixed a position rotary cutter to avoid rotary cutter to take place the dislocation and can't cut off the waste material area at the course of the work. Further, be provided with on the cutter locating piece with the locking groove of cutter locating hole intercommunication, this locking inslot knot is equipped with L type retaining member, and this retaining member passes through the locking bolt installation to be fixed on the cutter locating piece. Like this, when the needle inserting machine stop work, accessible L type retaining member is dead with the rotary cutter lock to die the actuating lever lock of actuating cylinder, and then die-cut head lock with the needle, thereby can avoid needle die-cut mechanism to continue to carry out the die-cut operation of needle when the needle inserting machine stop work.
Preferably, the positioning plate is provided with an installation groove for installing the cutter positioning block. Like this, can detain the mounting groove with the protruding part of cutter locating piece orientation locating plate one side in to improve needle die-cutting mechanism's compactness, reduce the occupation space of needle die-cutting mechanism in the pin inserting machine.
The invention also provides a pin inserting machine which is provided with any one of the pin punching mechanisms.
Drawings
FIG. 1 is a schematic view of a first angular configuration of the needle punch mechanism of the present invention;
FIG. 2 is a second angular configuration of the needle punching mechanism shown in FIG. 1;
FIG. 3 is a third angular configuration of the needle punching mechanism shown in FIG. 1;
fig. 4 is a schematic structural view of the needle punching mechanism shown in fig. 3 without the connecting positioning device and the cutter positioning block.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1-4, the needle punching mechanism of the present invention includes a driving cylinder 1, a punching transmission rod 2, a needle punching head 3, a connecting and positioning device 4, and a waste cutter 5. Wherein, the driving cylinder 1 can be selected from an air cylinder or a hydraulic cylinder. The connecting and positioning device 4 comprises a connecting plate 41 and a positioning plate 42, the connecting plate 41 and the positioning plate 42 are vertically connected to form an L-shaped structure, and the connecting plate 41 is provided with a mounting trepan boring and sleeved on the driving rod 11 of the driving cylinder 1 through the mounting trepan boring and fixedly connected with the cylinder body 12 of the driving cylinder 1; the positioning plate 42 is provided with a positioning through groove 421, an upper end of the positioning through groove 421 is close to the connecting plate 41, and an extending direction of the positioning through groove 421 is parallel to an axis of the driving rod 11. One end of the punching transmission rod 2 is movably connected with the driving rod 11 at the middle part of the driving rod 11 through a pin shaft, the other end of the punching transmission rod 2 is movably connected with the upper end of the needle punching head 3 through a pin shaft, a positioning connection hole 21 is formed in the punching transmission rod 2, and when the punching transmission rod 2 penetrates through the positioning through groove 421, the punching transmission rod 2 is movably connected with the positioning plate 42 through a positioning pin shaft 422 installed in the positioning connection hole 21. Thus, when the driving rod 11 on the driving cylinder 1 extends outwards, the driving rod 11 drives the punching transmission rod 2 to swing around the positioning pin shaft 422 to lift the needle punching head 3 from the needle punching seat 6; when the driving rod 11 on the driving cylinder 1 retracts inwards, the driving rod 11 drives the punching transmission rod 2 to swing around the positioning pin shaft 422 to press the needle punching head 3 to the needle punching seat 6, and the needle punching operation is completed. In order to avoid the dislocation of the needle punching position caused by the shaking or swinging of the needle punching head 3 in the needle punching process, a punching head positioning plate 43 is arranged on the positioning plate, the punching head positioning plate 43 is positioned between the positioning through groove 421 and the needle punching seat 6, and a positioning guide hole for mounting the needle punching head 3 is arranged on the punching head positioning plate 43. Like this, needle die-cutting head 3 is installed in the location guiding hole, and in the die-cut in-process of needle, needle die-cutting head 3 is the up-and-down motion in the location guiding hole, and the die-cut position of needle is fixed unchangeable to improve the die-cut precision of needle. Preferably, the die cutting head positioning plate 43 is in a shape of a letter "convex", and mounting through holes are provided on both side shoulders of the die cutting head positioning plate 43 to mount and fix the die cutting head positioning plate 43 on the positioning plate 42 by means of bolts or pins. Therefore, the material can be saved, the punching head positioning plate 43 can be conveniently installed and fixed on the positioning plate 42, and the punching head positioning plate 43 can be prevented from influencing the installation and the movement of other parts. Preferably, a mounting lateral groove 423 of the die cutting head positioning plate 43 is provided on the positioning plate 42, and the mounting lateral groove 423 is located between the positioning through groove 421 and the needle punching seat 6 and is perpendicular to the positioning through groove 421, so as to mount the die cutting head positioning plate 43 to the positioning plate 42.
The waste material cutter 5 is arranged at the discharge end of the needle punching seat 6, the handle of the waste material cutter 5 is connected with the driving rod 11 of the driving cylinder 1 through the cutter transmission rod 7, and the extension end of the cutter transmission rod 7 and the driving rod 11 is movably connected through a pin shaft. Like this, when the actuating lever 11 of actuating cylinder 1 outwards stretched out, actuating lever 11 passed through cutter transfer line 7 and drove the cutting edge of waste material cutter 5 and cut off the waste material area that the discharge end of the die-cut seat 6 of needle stretches out to can avoid the waste material area to store up in the pin inserting machine, occupy the equipment space of pin inserting machine, influence the operation of pin inserting machine. Preferably, the waste material cutter 5 is a rotary cutter, and the cutting edge of the rotary cutter faces the discharge end of the needle punching seat 6, when the driving rod 11 extends outwards, the driving rod 11 drives the rotary cutter to rotate in the forward direction, and at the moment, the cutting edge of the rotary cutter cuts downwards to cut off the waste material belt extending out of the discharge end of the needle punching seat 6; when the driving rod 11 retracts inwards, the driving rod 11 drives the rotary cutter to rotate reversely, and the cutting edge of the rotary cutter rotates upwards to prepare for cutting off the waste belt next time. Preferably, a cutter positioning block 8 is arranged on one side of the positioning plate 42, which is located at the discharge end of the needle punching seat 6, and a cutter positioning hole for mounting a rotary cutter is arranged on the cutter positioning block 8, so that a handle of the rotary cutter is vertically and fixedly connected with the cutter transmission rod 7, the cutter body is arranged in the cutter positioning hole in a penetrating manner, and a cutter edge is located at the discharge end of the needle punching seat 6. Preferably, a locking groove 81 communicating with the cutter positioning hole is provided on the cutter positioning block 8, and an L-shaped locker 9 is provided in the locking groove 81, and the L-shaped locker 9 is mounted on the cutter positioning block 8 by a locking bolt (not shown in the drawings). Like this, when the needle inserting machine out of work for a long time, thereby can make the rotary cutter can't rotate in the cutter locating hole with L type retaining member locking, and then to the locking of actuating lever 11 of actuating cylinder 1, make actuating lever 11 can't carry out concertina movement to avoid the needle die-cut mechanism in the needle inserting machine to continue to carry out the die-cut operation of needle when the needle inserting machine stops working. Preferably, the locking groove is formed at the top of the cutter positioning block 8 so that an installation operator can install the L-shaped locking member into the locking groove 81 of the cutter positioning block 8, and preferably, an installation groove for installing the cutter positioning block 8 is formed in the positioning plate 42, so that the compactness of the needle punching mechanism can be improved, and the occupied space of the needle punching mechanism can be reduced. Preferably, the cut-out positioning block 8 is fixed on the positioning plate 42 by bolt mounting. Of course, the waste cutter can also be a switch blade, and at the moment, a cutter groove can be arranged on the cutter positioning block to position the waste cutter.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.